Flashcards
Waves general
Cards in this deck (13)
- 1What kind of waves are all em wavesTransverse wave
- 2Describe a transverse waveVibration is at right angles to the direction of travel
- 3Example of longitudinal waveSound
- 4Describe a longitudinal waveThe vibrations are along the direction of travel
- 5Describe a sound waveConsists of compressions and rare fractions of the medium it's travelling through
Vibrations are along the direction of travel - 6Define intensityThe rate of flow of energy per unit area at right angles to the direction of travel
- 7Units for intensityWm^-2
- 8Equation for intensityI=power/area
- 9Relationship between intensity and amplitudeIntensity is directly proportional to amplitude squared
- 10How fast do waves travel in a vacuum3.00X10^8ms^-1
- 11What fields do transverse waves consist of?Vibrating electric and magnetic fields at right angles to each other and to the direction of travel
- 12Which kind of waves can be polarised?Transverse
- 13Give the Em spectrum starting with longest wavelengthRadio waves, microwaves, infrared, visible, uv, X-rays, gamma
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- Flashcards on Waves general, created by abbie Fitzpatrick on 06/07/2017.
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- abbie Fitzpatrick
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